CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Income Statement [Abstract]
Revenue	$ 1,177,541	$ 1,136,727	$ 3,481,295	$ 3,380,767
Cost of revenue	283,881	270,988	842,272	801,494
Gross profit	893,660	865,739	2,639,023	2,579,273
Operating expenses:
Research and development	222,980	196,832	635,294	597,905
Sales and marketing	361,703	374,378	1,068,481	1,170,255
General and administrative	126,137	125,140	347,016	454,364
Total operating expenses	710,820	696,350	2,050,791	2,222,524
Income from operations	182,840	169,389	588,232	356,749
Gains (losses) on strategic investments, net	6,324	(25,471)	26,785	8,474
Other income, net	91,248	41,908	250,248	114,206
Income before provision for income taxes	280,412	185,826	865,265	479,429
Provision for income taxes	73,362	44,614	222,892	140,799
Net income	$ 207,050	$ 141,212	$ 642,373	$ 338,630
Net income per share:
Basic (in dollars per share)	$ 0.67	$ 0.47	$ 2.08	$ 1.13
Diluted (in dollars per share)	$ 0.66	$ 0.45	$ 2.04	$ 1.10
Weighted-average shares used in computing net income per share:
Basic (in shares)	307,529,696	302,493,182	308,443,893	299,037,999
Diluted (in shares)	314,191,269	310,389,905	314,514,244	306,852,190